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add new | syntax.

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syntax will change.
This commit is contained in:
rsc 2005-01-04 22:41:27 +00:00
parent 02f38ca68c
commit 9aa1c92f74
19 changed files with 281 additions and 83 deletions
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23
src/cmd/mk/mk.h
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@ -26,6 +26,18 @@ typedef struct Envy
extern Envy *envy;
typedef struct Shell
{
char *name;
char *termchars; /* used in parse.c to isolate assignment attribute */
int iws; /* inter-word separator in environment */
char *(*charin)(char*, char*); /* search for unescaped characters */
char *(*expandquote)(char*, Rune, Bufblock*); /* extract escaped token */
int (*escapetoken)(Biobuf*, Bufblock*, int, int); /* input escaped token */
char *(*copyq)(char*, Rune, Bufblock*); /* check for quoted strings */
int (*matchname)(char*); /* does name match */
} Shell;
typedef struct Rule
{
char *target; /* one target */
@ -40,6 +52,8 @@ typedef struct Rule
char *prog; /* to use in out of date */
struct Rule *chain; /* hashed per target */
struct Rule *next;
Shell *shellt; /* shell to use with this rule */
Word *shellcmd;
} Rule;
extern Rule *rules, *metarules, *patrule;
@ -143,11 +157,10 @@ extern int mkinline;
extern char *infile;
extern int nreps;
extern char *explain;
extern char *termchars;
extern int IWS;
extern char *shell;
extern char *shellname;
extern char *shflags;
extern Shell *shellt;
extern Word *shellcmd;
extern Shell shshell, rcshell;
#define SYNERR(l) (fprint(2, "mk: %s:%d: syntax error; ", infile, ((l)>=0)?(l):mkinline))
#define RERR(r) (fprint(2, "mk: %s:%d: rule error; ", (r)->file, (r)->line))